29 lines
782 B
Ruby
29 lines
782 B
Ruby
class Budget
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class Heading < ActiveRecord::Base
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include Sluggable
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belongs_to :group
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has_many :investments
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validates :group_id, presence: true
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validates :name, presence: true, uniqueness: { if: :name_exists_in_budget_headings }
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validates :price, presence: true
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validates :slug, presence: true, format: /\A[a-z0-9\-_]+\z/
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validates :population, numericality: { greater_than: 0 }, allow_nil: true
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delegate :budget, :budget_id, to: :group, allow_nil: true
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scope :order_by_group_name, -> { includes(:group).order('budget_groups.name', 'budget_headings.name') }
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def name_scoped_by_group
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"#{group.name}: #{name}"
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end
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def name_exists_in_budget_headings
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group.budget.headings.where(name: name).any?
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end
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end
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end
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